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Cannot Connect a Bluetooth Device | Bose Ultra Open Earbuds
Reboot the Bluetooth® device.
Remove your product from the memory of the Bluetooth device, then try again.
In the Bluetooth settings menu of the Bluetooth device, find the list of previously connected products. Remove the Bose product from the list, including any duplicate listings labeled LE (Low Energy), then reconnect it to the device. For more info, see Connecting a Bluetooth device.